Area of a 15 Centimeter Circle

What is the area of a circle with a DIAMETER of 15 cm (radius of 7.5 cm)? How big is a 15 centimeter circle?

Diameter

meters

Diameter

yards

Units

Area of a 15cm diameter circle

results may be rounded

The area of a circle is pi times the square of its radius. The radius is half the diameter.

Area = π * (Diameter / 2)²

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Area by Diameter

results may be rounded

Diameter	cm²	in²	ft²
15.0 cm	176.7	27.39	0.1902
15.1 cm	179.1	27.76	0.1928
15.2 cm	181.5	28.13	0.1953
15.3 cm	183.9	28.50	0.1979
15.4 cm	186.3	28.87	0.2005
15.5 cm	188.7	29.25	0.2031
15.6 cm	191.1	29.63	0.2057
15.7 cm	193.6	30.01	0.2084
15.8 cm	196.1	30.39	0.2110
15.9 cm	198.6	30.78	0.2137